Headset



FIG. 1 is a perspective view of a headset.

FIG. 2 is a front view of a headset.

FIG. 3 is a back view of a headset.

FIG. 4 is a right side view of a headset; and,

FIG. 5 is a left side view of a headset. 

CLAIM The ornamental design for headset, as shown and described. 